Car MP3 Interface (CMI) is an digital virtual CD changer , which can be easily installed and used. It is deliver CD quality music directly into car stereo system via CD changer port. CMI support direct controls from car radio panel and steering wheel. It support SD/SHSD/MMC card and Usb stick play via build-in USB slot and SD card slot. Aux port support universal aux audio line in.

Main Features:

1.Direct Connection via CD changer Port with CD quality sound.

2. Control music files from your car radio panel or steering wheel.

3.Support USB Flash, SD Card and 3.5mm jack input.

4.Building in high quality MP3/WMA decoder.

5.Building in Amplifier chips.

6.No signal interfere, No battery required.

7.Smart design and Easy to install and use.

Work Theory:

1. Turn off car engine and remove key from ignition

2. Remove car radio from the dash in order to get assess to the back of radio

4. Plug USB stick or SD card into Car Mp3 Interface. Turn on radio and press CD (Disc/model/CDC/AUX) button until "CD-X-X" appear on radio screen. And play music to check left and right sound. And test if can control radio track +/-,Disk +/-.

5. After all test are ok, assembly radio and put Car MP3 Interface in the proper place.